Research on Pulse Generator and Pulse Control Technology for Micro Electrical Discharge Machining

Research on Pulse Generator and Pulse Control Technology for Micro Electrical Discharge Machining

Aiming at improving the efficiency of micro electrical discharge machining (EDM), the characteristics of micro-EDM was analyzed, the main discharge circuit was improved, and a pulse generator for micro-EDM based on FPGA was developed. The function of gap status detection is integrated that every sin...

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Veröffentlicht in:Shànghăi jiāotōng dàxué xuébào 2011-11, Vol.45 (11), p.1684-1694
Hauptverfasser: Jiang, Yi, Zhao, Wan-Sheng, Gu, Lin, Kang, Xiao-Ming
Format: Artikel
Sprache:chi
Schlagworte:
Circuits
Computer numerical control
Cut off
Discharge
Electric discharge machining
Evacuation
Explosions
Pulse generators
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container_end_page 1694
container_issue 11
container_start_page 1684
container_title Shànghăi jiāotōng dàxué xuébào
container_volume 45
creator Jiang, Yi
Zhao, Wan-Sheng
Gu, Lin
Kang, Xiao-Ming
description Aiming at improving the efficiency of micro electrical discharge machining (EDM), the characteristics of micro-EDM was analyzed, the main discharge circuit was improved, and a pulse generator for micro-EDM based on FPGA was developed. The function of gap status detection is integrated that every single pulse can be detected and the harmful discharge pulse can be cut off in time. A sweep pulse circuit was designed. The debris can be evacuated out of the discharge gap by the exploding effect of the sweep pulses, and the gap status can be improved. With this pulse generator, a preferable result is achieved in the experiment of machining of a deep micro-hole on a CNC controlled desktop micro-EDM machine.
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source Alma/SFX Local Collection
subjects Circuits
Computer numerical control
Cut off
Discharge
Electric discharge machining
Evacuation
Explosions
Pulse generators
title Research on Pulse Generator and Pulse Control Technology for Micro Electrical Discharge Machining
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